MarkWilson_MAE377_FinalProject

8/14/2019 MarkWilson_MAE377_FinalProject

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FinalProject(Project08)

[November23]

[2009]

MarkWilson#34382952MAE377


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1 TableofContents2 INTRODUCTION ....................................................................................................................................................................... 3

2.1 PRODUCTDESCRIPTION ............................................................................................................................................................................32.2 PROBLEMSTATEMENT ..............................................................................................................................................................................3

2.3 DESIGNGOALS.............................................................................................................................................................................................3

3 RESEARCHONEXISTINGPRODUCTS ................................................................................................................................ 4

3.1 SURVEYOFEXISTINGSIMILARPRODUCTS .............................................................................................................................................4

3.2 PRODUCTCOMPARISONTABLE................................................................................................................................................................4

4 PRODUCTMANAGEMENT ..................................................................................................................................................... 5

4.1 GANTTCHART .............................................................................................................................................................................................5

4.2 ALTERNATIVEDESIGNS .............................................................................................................................................................................6

4.3 DESIGNCOMPARISON................................................................................................................................................................................. 9

4.4 DECISIONMAKINGTABLE.........................................................................................................................................................................9

5 3DCADMODELS ....................................................................................................................................................................10

5.1 INDIVIDUALPARTS .................................................................................................................................................................................. 10

5.2 FINALASSEMBLY ..................................................................................................................................................................................... 19

5.3 RENDERING ............................................................................................................................................................................................... 21

6 MANUFACTURINGANALYSIS.............................................................................................................................................23

6.1 BILLOFMATERIALS ................................................................................................................................................................................ 23

6.2 COSTANALYSIS ........................................................................................................................................................................................ 23

6.3 2DPARTS/ASSEMBLYDRAWINGS ...................................................................................................................................................... 25

7 SERVICEANALYSIS................................................................................................................................................................277.1 USERMANUAL.......................................................................................................................................................................................... 27

7.2 PRODUCTLIFEANALYSIS ....................................................................................................................................................................... 27

8 CONCLUSION/DISCUSSION ................................................................................................................................................27

9 REFERENCES ...........................................................................................................................................................................27


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2 Introduction2.1 ProductDescription

Pitchingmachinesareveryusefulproductsfordeliveringveryaccurateandfastpitchestobatterswithoutthe

stressofmanuallyactuallythrowingtheball.Pitchingmachinesareusedineverylevelofthegamefromlittleleagueto

themajors,whichiswhydesigningamachinethatcanconformtotherequirementsfordifferentscenariosismost

important.Beingabletoadjustthespeed,pitchtype,angle,andheightisverycrucialindesigningapitchingmachine.

Creatingadesignthatcanfittheneedsinmultiplesituationswillnotcomeatasmallcost,inthatthebetterof

thepitchingmachinesonthemarketnotrangefromovera$1000toabout$2500.Tosimulatepitchesthrowninthe

majorleaguethispitchingmachinemustbeabletodeliverpitchesupto100mphandhavetheabilitytoreplicate

differenttypesofpitchessuchasacurveball,slider,orchangeup.Themostimportantaspectistocreatesomething

relativelyaffordablewhilemaximizingthedifferentaspectsthatmakesagoodproductgood.

2.2

ProblemStatementForthefinalprojectIamtocompleteallthenecessarystepofaproductdesignforapitchingmachineasifIam

theonlyengineerinasmallcompany.Thenewdesignshouldencompassnewfeaturesandbeanenhancedversionof

theothertypesofpitchingmachinesonthemarket.

2.3 DesignGoals Myobjectiveforthisprojectistodesignanewpitchingmachinethataddressesthefactorsofversatilityand

performance.Mymaingoalistocreateaproductthathasawiderangeofusesfromdeliveringmultipletypesofpitches

atdifferentspeedsforbattingpracticetodeliveringpopupsandgroundballsforfieldingpractice.Whileincreasing

performanceandversatility,Ialsoaimtominimizesizeandweightandtoaddfeaturessuchaswheelstoease

transportationofthemachine.


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3 ResearchonExistingProducts3.1 SurveyofExistingSimilarProducts Therearecurrentlytwotypesofpracticalpitchingmachinesonthemarket.Onetypeisacircularwheelmachine

thatuseseitheroneortwowheelsthataredrivenbymotorsconnectedtotheaxisofthewheel.Byusingaballfeeder

theballslidesdowntotubeandmakescontactwiththerapidlyspinningwheel,whichpropelstheball.Anothertypeof

pitchingmachineisanarmactionmachinethatworksjustlikeapersonthrowingaball.Usingametalarmandabracket

thatholdstheballattheend,thearmrotatesforwardpropellingtheballoftheendofthearmsimulatinganoverhand

pitchingmotion.

3.2 ProductComparisonTableTable1:ProductComparisonTable

Name AtecPowerHummer JugsCurveballPitchingMachine AtecAxisPitchingMachine

Weight 130lbs 127lbs 80lbs

Price $1,975 $1,999 $1,678

SpeedRange 3080mph 20104mph 2060mph

Motor (2)horsepowermotor (2)horsepowermotor (1)horsepowermotor

PowerSupply 110VAC 110VAC 110VAC

PitchTypesSliders,Curveballs,Knuckleballs,

andFastballs

Sliders,Curveballs,Fastballsand

Splitfingerfastballs

Sliders,Curveballs,and

Fastballs

360Degree

SwivelYes Yes No

Trans.Wheels Yes No No


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4 ProductManagement4.1 GanttChart

Thischartshowsthetimelineforthevariousstepsinvolvedforthisproject

Table2:GanttChart


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4.2 AlternativeDesignsThesketchesbelowareofalternatedesignsforthepitchingmachine.Thefirstconsistsofonewheelpoweredby

amotoronatripod,theballisacceleratedbytheforceoffrictionbythewheelandtopofthetube.Thesecondisan

armslingdesigncomprisedofaspringwhichforcestheballtoprojectoutwhentheleverispulledreleased.Thelast

designhas2wheelspoweredby2motors,theballisacceleratedbythecombinedfrictionofthe2wheels.

Figure1:Design1


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Figure2:Design2


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Figure3:Design3


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4.3 DesignComparisonThetablebelowillustratestheprosandconsofthe3differenttypesofpitchingmachine.

Design Pros Cons

1 Lightweight

Easytotransport

Canonlythrowonestyleofpitch

Maxpitchspeedaround60mph

2 Nopowerneeded

Lightweight

Lessexpensive

Needtoreplacespringovertime

Pitchspeedislessthanotherdesigns

Canonlythrowonestyleofpitch

3 Canpitchathighspeeds(100mph)

Canthrowmanydifferentpitches

Veryversatile

Large/Heavy

Expensive

Table3:DesignComparison

4.4 DecisionMakingTableThetablebelowillustratesthescoreofdifferentaspectsofthe3differentpitchingmachinedesigns.Thethird

designencompassesallthebestpropertiesofanewdesignandwillbeusedforthenewdesignforthisproject.

Design1 Design2 Design3

EaseofUse 8 9 7

Performance 8 7 10

Durability 9 6 10

Versatility 8 6 10

Ergonomics 9 7 8

Total 42 35 45

Table4:DecisionMakingTable


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5 3DCADModelsBelowaretheindividual3Dmodeledparts,assembly,andrenderingsofthepitchingmachinedesign.

5.1 IndividualParts

(a) (b)Figure4(a)TheCADmodelofthemainbracket;and(b)thesamemodelatadifferentview.

(c) (d)Figure4(c)TheCADmodelofthemainbrack;and(d)theCADmodelofthebaselegs


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(e) (f)Figure4(e)TheCADmodelofthebaselegs;and(f)theCADmodelofthebasefastener.

(g) (h)Figure4(g)TheCADmodelofthebasefastener;and(h)theCADmodeloftheballfeeder.

(i) (j)Figure4(i)TheCADmodeloftheballfeeder;and(j)theCADmodeloftheballfeederconnector


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(k) (l)

Figure4(k)TheCADmodeloftheballfeederconnector;and(l)theCADmodeloftheballguider.

(m) (n)Figure4(m)TheCADmodeloftheballguider;and(n)theCADmodelofthebasefastener.

(o) (p)Figure4(o)TheCADmodelofthebasefastener;and(p)theCADmodelofthebolt.


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(q) (r)Figure4(q)TheCADmodelofthebolt;and(r)theCADmodelofthecontrolpannel.

(s) (t)Figure4(s)TheCADmodelofthecontrolpannel;and(t)theCADmodeloftheboltfastener.

(u) (v)Figure4(u)TheCADmodeloftheboltfastener;and(v)theCADmodelofthemotor.


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(w) (x)Figure4(w)TheCADmodelofthepowerswitch;and(x)thesamemodelatadifferentview.

(y) (z)Figure4(y)TheCADmodelofthecontrolpanelconnector;and(z)thesamemodelatadifferentview.

(aa) (bb)Figure4(aa)TheCADmodeloftheadjustmentknob;and(bb)thesamemodelatadifferentview.


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(cc) (dd)

Figure4(cc)TheCADmodelofthetophousing;and(dd)thesamemodelatadifferentview.

(ee) (ff)Figure4(ee)TheCADmodeloftheroundscrew;and(ff)thesamemodelatadifferentview.

(gg) (hh)

Figure4(gg)TheCADmodelofthespeeddial;and(hh)thesamemodelatadifferentview.


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(ii) (jj)Figure4(ii)TheCADmodelofthetoparmbracket;and(jj)thesamemodelatadifferentview.

(kk) (ll)Figure4(kk)TheCADmodeloftransportwheel;and(ll)thesamemodelatadifferentview.

(mm) (nn)

Figure4(mm)TheCADmodelofthewheelbolt;and(nn)thesamemodelatadifferentview.


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(oo) (pp)Figure4(oo)TheCADmodelofthefastenernut;and(pp)thesamemodelatadifferentview.

(qq) (rr)Figure4(qq)TheCADmodelofthepitchingwheel;and(rr)thesamemodelatadifferentview.

(ss) (tt)

Figure4(ss)TheCADmodelofthefastenernut;and(tt)thesamemodelatadifferentview.


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(uu) (vv)Figure4(uu)TheCADmodelofthewheelwasher;and(vv)thesamemodelatadifferentview.


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5.2 FinalAssembly

(a) (b)

Figure5(a)TheCADassemblymodelofpitchingmachineunexploded;and(b)thesamemodelatadifferentview.

(c) (d)Figure5(c)TheCADassemblymodelofpitchingmachineunexploded;and(d)thesamemodelatadifferentview.


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(e) (f)

Figure5(e)TheCADassemblymodelofthepitchingmachineexploded;and(f)thesamemodelatadifferentview.

(g)

Figure5(g)TheCADmodelofthepitchingmachineexploded;


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5.3 Rendering

Figure6(a):RenderedImageofthePitchingMachine

Figure6(c):AlternateRenderedImageofthePitchingMachineFigure6(b):AlternateRenderedImageofthePitchingMachine


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6 ManufacturingAnalysis6.1 BillofMaterials

Figure7(a):BOMDrawingofthePitchingMachine

6.2 CostAnalysisIndex Part Name Quantity

Estimated Cost in

Dollars

1 base(legs) 1 $7.50

2 armbracket 1 $3.00

3 rotatingbracket 1 $2.00


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4 mainbracket 1 $5.00

5 motor 2 $40.00

6 rotatingbracketbolt 2 $0.20

7 boltfastener 2 $0.10

8 roundscrew 2 $0.10

9 plasticfastener 2 $0.50

10 basefastener 1 $0.25

11 pitchingwheel 2 $30.00

12 wheelfastener 2 $0.10

13 wheelwasher 2 $0.05

14 transportwheel 2 $20.00

15 transportwheelbolt 2 $1.00

16 transportwheelfastener 2 $0.10

17 panelconnector 2 $2.00

18 controlpannel 1 $15.00

19 ballguider 1 $2.00

20 ballfeederconnector 1 $1.00

21 ballfeeder 1 $10.00

22 onoffswitch 1 $1.00

23 speeddial 2 $2.00

Total $142.90

Table5:CostEstimationAnalysis


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6.3 2DParts/AssemblyDrawingsFoundinthissectionistheBOM2Ddrawingand2Ddrawingsofvariouspartsofthepitchingmachine.

Figure7(a):BOMDrawingofthePitchingMachine

Figure7(b):2DDrawingofPartsofthePitchingMachine


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Figure7(c):2DDrawingofPartsofthePitchingMachine

Figure7(d):2DDrawingofPartsofthePitchingMachine


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7 ServiceAnalysis7.1 UserManual Ausermanualillustratingthesafetyprecautions,operationandwarrantyassociatedwiththepitchingmachine

isattachedtothereport.

7.2 ProductLifeAnalysis Thisproductisguaranteedtobereliableandmaintainitssuperiorperformanceoveralongperiodoftime.

Somemaintenancemightberequiredsuchaslubricatingtheaxelofthewheelandcleaningthemachineperiodically.

8 Conclusion/Discussion Inconclusionthedesigningofthepitchingmachinewasoverallsuccessful.Allthemeasurementsofthemachine

aresuitablefortheuseitsintendedfor.Someoftheproblemsfacedincludecreatingsomeofthehelicalsweepsmainly

ontheballfeeder.IfgivenmoretimeIwouldhavelikedtoincludeadjustablelegsforthebasetoaltertheheightofthe

maincomponent,themachinestillworksproperlywithouttheadjustablelegsbecausetherotatingbracketallowsitto

aimupordown.Ihavegainedmuchinsighttothedesignprocessthroughoutcompletionofthisreportandallthetimeandprojectmanagementthatgoesintoprocess.

9 References[1]RogerToogood,Pro/EngineerWildfire4.0Tutorial.Edmonton,Alberta.SDC(2009)

[2]http://www.atecsports.com/

[3]http://www.pitchingmachinepro.com/BaseballPitchingMachiness/1.htm

MarkWilson_MAE377_FinalProject

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